06 2017 档案

605. Can Place Flowers
摘要：Suppose you have a long flowerbed in which some of the plots are planted and some are not. However, flowers cannot be planted in adjacent plots - they 阅读全文
posted @ 2017-06-04 16:02 hhboboy 阅读(182) 评论(0) 推荐(0) 编辑